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GLM 5.2

zai-org/glm-5.2
BackTry Model
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GLM 5.2

zai-org/glm-5.2
BackTry Model

GLM-5.2 is Z.AI's flagship model for long-horizon autonomous coding and engineering workflows. It is built to plan, execute, iterate, and optimize complex development tasks over extended runs. This variant keeps thinking disabled for faster direct responses.

Added Jun 15, 2026

Model weights

Context Window

1.0M

Max Output

131.1K

Input Price (Auto)

$0.44/1M

Output Price (Auto)

$1.39/1M

Cache Read (Auto)

$0.082/1M

Capabilities

Benchmarks

Performance metrics and benchmarks

Sourced from Artificial Analysis.

Intelligence Index

51.1

Better than 97% of models compared

Coding Index

68.8

Better than 89% of models compared

Agentic Index

35.1

Better than 83% of models compared

Reasoning

GPQA Diamond

Graduate-level scientific reasoning

89.5%

Better than 95% of models compared

HLE

Humanity's Last Exam

40.1%

Better than 98% of models compared

IFBench

Instruction-following benchmark

73.3%

Better than 90% of models compared

T²-Bench Telecom

Conversational AI agents in dual-control scenarios

99.1%

Better than 99% of models compared

AA-LCR

Long context reasoning evaluation

71.3%

Better than 96% of models compared

GDPval-AA

Economically valuable tasks

44.7%

CritPt

Research-level physics reasoning

3.1%

Coding

SciCode

Python programming for scientific computing

50.5%

Better than 96% of models compared

Terminal-Bench Hard

Agentic coding and terminal use

50.8%

Better than 97% of models compared

Knowledge

AA-Omniscience Accuracy

Proportion of correctly answered questions

20.3%

AA-Omniscience Hallucination Rate

Rate of incorrect answers among non-correct responses

33.7%

Last updated Jun 28, 2026

Artificial Analysis

Providers

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Compare GLM 5.2 with similar models from the same provider or model family.

GLM 5.3 Preview

zai-org/glm-5.3

A preview of GLM-5.3 for long-horizon autonomous coding and engineering workflows. This variant defaults to the model's low reasoning tier for faster responses. While in preview, prompts and responses may be logged and used for training.

GLM 5.3 Preview Thinking

zai-org/glm-5.3:thinking

The GLM-5.3 preview with higher reasoning enabled for harder long-horizon coding, autonomous agent workflows, and complex engineering tasks. While in preview, prompts and responses may be logged and used for training.

GLM 5.2 Thinking

zai-org/glm-5.2:thinking

GLM-5.2 with thinking enabled for harder long-horizon coding, autonomous agent workflows, complex engineering optimization, and real-world development tasks.

GLM Latest

zai-org/glm-latest

Compatibility alias that routes to the newest thinking GLM model. Currently routes to GLM 5.2 Thinking.

GLM 5.1

zai-org/glm-5.1

GLM-5.1 is Zhipu's next-level open source model, ranking #1 in open source and #3 globally across SWE-Bench Pro, Terminal-Bench, and NL2Repo (as of April 2026). Built for long-horizon tasks, it can run autonomously for up to 8 hours. Run at FP8.

GLM 5.1 Thinking

zai-org/glm-5.1:thinking

GLM-5.1 with extended thinking enabled. Ranks #1 in open source and #3 globally across SWE-Bench Pro, Terminal-Bench, and NL2Repo (as of April 2026). Excels at long-horizon tasks, running autonomously for up to 8 hours while refining strategies through thousands of iterations. Run at FP8.